Turnpress through 0.4.2 OS Command Injection via Crafted .docx File Names

{
  "id": "526379d78c535d1d5144a2b79db874d4be4cdf973cb33b88a16a960019171d2b",
  "url": "https://osv.dev/vulnerability/CVE-2026-110647",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Turnpress through 0.4.2 OS Command Injection via Crafted .docx File Names",
    "summary": "Turnpress through 0.4.2 contains an OS command injection vulnerability that allows attackers to execute shell commands by supplying .docx files with crafted names. The convertDocxToHtml function in src/converter.ts invokes pandoc through execa with shell:true, so shell metacharacters in the --docx path run with the victim's privileges during convert or create.",
    "evidence": "osv:CVE-2026-110647",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-110647",
      "aliases": [
        "CVE-2026-110647"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jinghaihan/turnpress",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "937e203ea8b62d22f0f47db049d404f843760e25"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.4.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.4.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.6",
            "v0.3.5",
            "v0.3.4",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.1",
            "v0.2.0",
            "v0.1.1",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-110647.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.005573509Z",
      "provider": "osv",
      "references": [
        "https://www.npmjs.com",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110647.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-110647",
        "https://www.vulncheck.com/advisories/turnpress-through-0.4.2-os-command-injection-via-crafted-docx-file-names",
        "https://github.com/jinghaihan/turnpress/pull/2",
        "https://github.com/jinghaihan/turnpress",
        "https://github.com/jinghaihan/turnpress/blob/v0.4.2/src/converter.ts#L33-L61"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-78"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110647.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-110647",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494760,
  "published_at": "2026-10-14T14:17:15.77+00:00"
}